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发明名称
Improvements to trawl nets and their towing apparatus
摘要
申请公布号
GB702650(A)
申请公布日期
1954.01.20
申请号
GB19520015027
申请日期
1952.06.14
申请人
JOHN STANSFIELD
发明人
分类号
A01K73/02
主分类号
A01K73/02
代理机构
代理人
主权项
地址
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